The mophie Powerstation XL is a portable battery that lets you quickly charge two iPhone, iPad, or iPod models at once. The pre-charged 12,000 mAh battery has two USB ports, each with a 2.1-Amp output—so you can charge two iPad devices simultaneously with the highest output possible.

The Kensington International Travel Adapter delivers the convenience of built-in plug adapters for nearly any country along with two USB ports for charging your iPhone, iPad, or iPod. Plug in your iPad and it delivers a full 2.1-amp charge to that USB port. Or if you need to charge two iPhones quickly and safely at the same time, the adapter splits the power between the ports. Plus, with the two-pole adapter you can charge any MacBook.

The Belkin BOOST UP Two-Port Swivel Charger + Outlet lets you simultaneously charge two iPhone, iPad or iPod models anywhere you go. The charger includes two universal USB ports that deliver 12 watts (2.4 amps) of combined power for quickly charging your iOS devices. There's also a mains outlet where you can plug in a MacBook whilst powering your iOS devices.

PlugBug World from Twelve South is a 10W iPad/iPad mini/iPhone wall charger and MacBook international power adapter. Use it to simultaneously charge your MacBook and iPhone or iPad/iPad mini from one outlet virtually anywhere in the world. The bright red PlugBug World piggybacks onto your MacBook Power Adapter and includes five snap-on plugs for use in the UK, Continental Europe, Australia, New Zealand, North America, Hong Kong, Singapore, China, and Japan.

The mophie powerstation plus features a first-class aluminium finish, premium feel and delivers up to two times extra battery to extend the life of your iPad, iPhone or iPod. Charging on the go has never been easier.

Twelve South's PlugBug is a 10W iPad/iPhone wall charger that attaches to any MacBook power adapter, creating a one-of-a-kind, dual charger for MacBook and iPad or iPhone. PlugBug packs 10 watts, providing the fastest charge possible to iPad. Plus you can use it as a stand-alone charger when it's not connected to your MacBook power adapter.

The Recharge 12000mAh Power & Lightning is a portable USB battery charger that lets you simultaneously charge two USB-powered devices, including iPhone, iPad and iPod. With storage for the included Lightning connector cable or Micro USB cable, the charger features an innovative charge stand for your device, letting you view the screen hands-free.

The Incase Portable Power 2500 helps you keep your iPhone, iPad, or iPod running while you're on the go. Compact and lightweight, it's powerful enough to provide a quick, full recharge of an iPhone via USB. There's even a series of built-in LEDs that show how the charge is progressing.